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Finding the Fourth Proportional to 364,957.36, 503,636.40 and 203,815.36

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Solution

The fourth proportional to 364,957.36, 503,636.40 and 203,815.36 is: 281,262.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,957.36 : 503,636.40 = 203,815.36 : x
  2. Step 2: Convert to fraction form
    364,957.36/503,636.40 = 203,815.36/x
  3. Step 3: Cross multiply
    364,957.36x = 503,636.40 × 203,815.36
  4. Step 4: Simplify right side
    364,957.36x = 102,648,834,175.10
  5. Step 5: Solve for x
    x = 102,648,834,175.10/364,957.36
  6. Step 6: Final answer
    x = 281,262.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.